UnuploadedGuides · Formats & privacy
Image formats and file privacy
These guides cover choosing an image format, checking photo metadata, and examining a converter’s network activity. They explain which properties a conversion can change and what a privacy check does not establish.
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Apple formats
What HEIC Is, and When to Convert ItHow HEIC stores images, why application support varies, and when a JPG or PNG copy helps.
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Photo privacy
What Your Photos Reveal: EXIF and GPSCheck location, timestamps and camera fields, and learn what removing EXIF does not hide.
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Format choice
JPG, PNG, or WEBP: Which One, WhenCompare compression, transparency, editing needs and the actual output file size.
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Verification
How to Tell If a Converter Uploads Your FilesInspect browser requests and test offline conversion, with the preparation and limits explained.
Using the guides
Work with a copy of your file, keep the original, and inspect the result. Format support and sharing settings vary between applications. The metadata guide focuses on the exported file; the network guide distinguishes a successful offline conversion from a complete privacy audit.